Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

OCN: 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX

<< 1 2 3 4 5 6 7 8 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
713-486 2 Houston TX HSTOTX42DS2  560   2008-09-28   
713-486 3 Houston TX HSTOTX42DS2  560   2008-09-28   
713-486 4 Houston TX HSTOTX42DS2  560   2008-09-28   
713-486 5 Houston TX HSTOTX42DS2  560   2008-09-28   
713-486 6 Houston TX HSTOTX42DS2  560   2008-09-28   
713-486 7 Houston TX HSTOTX42DS2  560   2008-09-28   
713-486 8 Houston TX HSTOTX42DS2  560   2008-09-28   
713-486 9 Houston TX HSTOTX42DS2  560   2008-09-28   
713-579 A Houston TX HSTOTX42DS0  560      
713-580 A Houston TX HSTOTX42DS0  560      
713-583 A Houston TX HSTOTX42DS2  560      
713-583 0 Houston TX   560   2005-02-03   
713-583 1 Houston TX   560   2005-02-03   
713-583 2 Houston TX   560   2005-02-03   
713-583 3 Houston TX   560   2005-02-03   
713-583 4 Houston TX   560   2005-02-03   
713-583 5 Houston TX   560   2005-02-03   
713-583 6 Houston TX   560   2005-02-03   
713-583 7 Houston TX   560   2005-02-03   
713-583 8 Houston TX   560   2005-02-03   
713-583 9 Houston TX   560   2005-02-03   
713-634 2 Houston TX HSTOTX42DS0  560   2007-11-08   
713-634 3 Houston TX HSTOTX42DS0  560   2007-11-08   
713-634 4 Houston TX HSTOTX42DS0  560   2007-11-08   
713-634 5 Houston TX HSTOTX42DS0  560   2007-11-08   
713-634 6 Houston TX HSTOTX42DS0  560   2007-11-08   
713-637 1 Houston TX HSTOTX42DS2  560   2012-08-09   
713-730 6 Houston TX HSTOTX42DS2  560   2012-09-13   
713-808 6 Houston TX HSTOTX42DS0  560   2007-11-08   
713-808 7 Houston TX HSTOTX42DS0  560   2007-11-08   
713-808 8 Houston TX HSTOTX42DS0  560   2007-11-08   
713-815 A Houston TX HSTOTX42DS2  560      
713-815 2 Houston TX HSTOTX42DS2  560   2012-11-23   
713-815 3 Houston TX HSTOTX42DS2  560   2012-11-23   
713-969 1 Houston TX HSTOTX42DS2  560   2011-10-25   
713-969 2 Houston TX HSTOTX42DS2  560   2011-10-25   
832-280 2 Houston TX HSTOTX42DS2  560   2011-05-15   
832-280 3 Houston TX HSTOTX42DS2  560   2011-05-15   
832-294 2 Houston TX HSTOTX42DS2  560   2011-01-18   
832-294 6 Houston TX HSTOTX42DS2  560   2011-01-18   
832-310 A Houston Suburban TX HSTOTX42DS2  560      
832-310 2 Houston Suburban TX HSTOTX42DS2  560   2004-09-20   
832-313 A Westfield TX HSTOTX42DS2  560      
832-313 0 Westfield TX   560   2005-05-14   
832-313 1 Westfield TX   560   2005-05-14   
832-313 2 Westfield TX   560   2005-05-14   
832-313 3 Westfield TX   560   2005-05-14   
832-313 4 Westfield TX   560   2005-05-14   
832-313 5 Westfield TX   560   2005-05-14   
832-313 6 Westfield TX   560   2005-05-14   

<< 1 2 3 4 5 6 7 8 >>

Last updated: Wed, 01 Jun 2022 03:09:23 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.